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  • Stock:250
  • Package:TSSOP-16
  • Delivery:2周内
  • Lot:3年内
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PCM1771PW
98dB SNR Low-Power Stereo DAC with HP Amplifier (H/W Control)

In supply

Brand: TI

Model: PCM1771PW

Anticipation Inventory: 98dB SNR Low-Power Stereo DAC with HP Amplifier (H/W Control)

Description:

98dB SNR Low-Power Stereo DAC with HP Amplifier (H/W Control)

description of products:

The PCM1770 and PCM1771 devices are CMOS, monolithic, integrated circuits which include stereo digital-to-analog converters, headphone circuitry, and support circuitry in small TSSOP-16 and VQFN-20 packages.

The data converters use TI's enhanced multilevel architecture, which employs noise shaping and multilevel amplitude quantization to achieve excellent dynamic performance and improved tolerance to clock jitter. The PCM1770 and PCM1771 devices accept several industry standard audio data formats with 16- to 24-bit data, left-justified, I2S, etc., providing easy interfacing to audio DSP and decoder devices. Sampling rates up to 50 kHz are supported. A full set of user-programmable functions is accessible through a 3-wire serial control port, which supports register write functions.

product feature:

  • Multilevel DAC Including Headphone Amplifier
  • Analog Performance (VCC, VHP = 2.4 V):
    • Dynamic Range: 98 dB Typ
    • THD+N at 0 dB: 0.1% Typ
    • THD+N at -20 dB: 0.04% Typ
    • Output Power at RL = 16 : 13 mW (Stereo), 26 mW (Monaural)
  • 1.6-V to 3.6-V Single Power Supply
  • Low Power Dissipation: 6.5 mW at VCC, VHP = 2.4 V
  • System Clock: 128 fS, 192 fS, 256 fS, 384 fS
  • Sampling Frequency: 5 kHz to 50 kHz
  • Software Control (PCM1770):
    • 16-, 20-, 24-Bit Word Available
    • Left-, Right-Justified, and I2S
    • Slave/Master Selectable
    • Digital Attenuation: 0 dB to -62 dB, 1 dB/Step
    • 44.1-kHz Digital De-Emphasis
    • Zero Cross Attenuation
    • Digital Soft Mute
    • Monaural Analog-In With Mixing
    • Monaural Speaker Mode
  • Hardware Control (PCM1771):
    • Left-Justified and I2S
    • 44.1-kHz Digital De-Emphasis
    • Monaural Analog-In With Mixing
  • Pop-Noise-Free Circuit
  • 3.3-V Tolerant
  • Packages: TSSOP-16 and VQFN-20
  • APPLICATIONS
    • Portable Audio Player
    • Cellular Phone
    • PDA
    • Other Applications Requiring Low-Voltage Operation

数字模拟转换器(DAC)通道数量2

模拟inputs0

模拟outputs2

DACSNR(规格)(dB)98

Samplingrate(Max)(kHz)48

控制接口H/W

分辨率(Bits)24

设计和组织MultilevelDelta-Sigma

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